Christianus Petrus Eliza Robidé van der Aa (Amsterdam, 7 October 1791 – Oosterbeek, 14 May 1851) was a Dutch jurist and author.
On 11 June 1816 he married Eelkje Poppes, who was a proficient lyre player and poet, but she abandoned her career to devote herself to her husband and children.
His beloved wife died on 20 September 1828, and he remarried in 1830 with Lucia Maria de Jongh, widow of Jan Anthony Kallenberg van den Bosch.
Already in 1827, he was awarded Gold from the Maatschappij tot Nut van 't Algemeen for his exposés on the consequences of domestical negligence, disorder and waste.
Among his proza of these years should be mentioned four national songs, awarded gold by the Maatschappij tot Nut van 't Algemeen in 1835.
In 1848, Christianus van der Aa was hit by a severe brain disease, from which he suffered until his death on 14 May 1851 from facial cancer.